import { socketPath_dlhj } from '@/utils/allUrl.js'
import { getUrl } from '@/utils/getUrl.js'
let Socket = ''
let setIntervalWesocketPush = null

/**
 * 建立websocket连接
 * @param {string} url ws地址
 */
export const createSocket = () => {
  Socket && Socket.close()
  if (!Socket) {
    console.log('建立websocket连接')
    Socket = new WebSocket(socketPath_dlhj)
    Socket.onopen = onopenWS
    Socket.onmessage = onmessageWS
    Socket.onerror = onerrorWS
    Socket.onclose = oncloseWS
  } else {
    console.log('websocket已连接')
  }
  //   console.log(Socket)
  return Socket
}
/** 打开WS之后发送心跳 **/
const onopenWS = () => {
  sendHeartBeat()
}

/** 连接失败重连 **/
const onerrorWS = () => {
  Socket.close()
  clearInterval(setIntervalWesocketPush)
  console.log('连接失败重连中')
  if (Socket.readyState !== 3) {
    Socket = null
    createSocket()
  }
}

/** WS数据接收统一处理 **/
const onmessageWS = e => {
  window.dispatchEvent(
    new CustomEvent('onmessageWS', {
      detail: {
        data: e.data
      }
    })
  )
}

/**
 * 发送数据但连接未建立时进行处理等待重发
 * @param {any} message 需要发送的数据
 */
const connecting = message => {
  setTimeout(() => {
    if (Socket.readyState === 0) {
      connecting(message)
    } else {
      Socket.send(JSON.stringify(message))
    }
  }, 1000)
}

/**
 * 发送数据
 * @param {any} message 需要发送的数据
 */
export const sendWSPush = message => {
  if (Socket !== null && Socket.readyState === 3) {
    Socket.close()
    createSocket()
  } else if (Socket.readyState === 1) {
    Socket.send(JSON.stringify(message))
  } else if (Socket.readyState === 0) {
    connecting(message)
  }
}

/** 断开重连 **/
const oncloseWS = () => {
  clearInterval(setIntervalWesocketPush)
  console.log('websocket已断开....正在尝试重连')
  // console.log(Socket.readyState)
  if (Socket.readyState !== 2) {
    Socket = null
    createSocket()
  }
}
/** 发送心跳
 * @param {number} time 心跳间隔毫秒 默认5000
 * @param {string} heartBeat 心跳名称 默认字符串heartBeat
 **/
export const sendHeartBeat = (time = 5000) => {
  clearInterval(setIntervalWesocketPush)
  var token = getUrl('X-Cmmop-User-Token')
  var list = { heartBeat: true, token: token }
  Socket.send(JSON.stringify(list))
  setIntervalWesocketPush = setInterval(() => {
    Socket.send(JSON.stringify(list))
  }, time)
}

// export { Socket }
